574.5 HRB = 1,034.1 HV
| HRB | HV |
|---|---|
| 559.5 HRB | 1,007.1 |
| 564.5 HRB | 1,016.1 |
| 569.5 HRB | 1,025.1 |
| 574.5 | 1,034.1 |
| 579.5 HRB | 1,043.1 |
| 584.5 HRB | 1,052.1 |
| 589.5 HRB | 1,061.1 |
574.5 HRB = 1,034.1 HV
1 HRC ≈ 10.2 HV · 1 HRB ≈ 1.8 HV · 1 Mohs ≈ 0.1 HV — approximate; real conversions vary by material per ASTM E140